Exemplo n.º 1
0
        public void Read(MethodSymbols symbols)
        {
            PdbFunction function;

            if (!functions.TryGetValue(symbols.MethodToken.ToUInt32(), out function))
            {
                return;
            }

            ReadSequencePoints(function, symbols);
            ReadLocals(function.scopes, symbols);

            if (!string.IsNullOrEmpty(function.iteratorClass))
            {
                symbols.IteratorType = function.iteratorClass;
            }

            if (function.iteratorScopes != null)
            {
                foreach (Microsoft.Cci.ILocalScope scope in function.iteratorScopes)
                {
                    RangeSymbol range = new RangeSymbol();
                    range.start = (int)scope.Offset;
                    range.end   = (int)(scope.Offset + scope.Length);
                    symbols.IteratorScopes.Add(range);
                }
            }
        }
        /// <summary>
        /// Decodes a symbol using the <paramref name="coder"/> with the provided
        /// <paramref name="model"/>.
        /// </summary>
        public static TSymbolType Decode <TSymbolType>(this ArithmeticCoder coder, IModel <TSymbolType> model,
                                                       ReadBitDelegate bitReader)
            where TSymbolType : struct
        {
            // read value
            uint value = coder.DecodeTarget(model.TotalFrequencies);

            // determine symbol
            RangeSymbol <TSymbolType> rangeSymbol = model.Decode(value);

            // adapt decoder
            coder.Decode(rangeSymbol.Range, bitReader);

            // update model
            model.Update(rangeSymbol.Symbol);

            return(rangeSymbol.Symbol);
        }